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Oil & Gas measuring systemscertification
Alessandra BendistintoNMi
AIS ISA Italy Seminar – Milan 25th October 2018
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Agenda
A. Oil measuring systems and Gas measuring systems:differences and analogies under certification point of view
B. Certification of Oil measuring systems
C. Certification of Gas measuring systems
D. Certification of Level measuring systems
E. OIML certification in short
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A. Oil measuring systems and Gas measuring systems:differences and analogies
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Oil measuring systems
• They are really “systems”!So definied in MID 2014/32/EU Annex VII (MI-005) and OIML R-117
• They are composed of certified partiesflow meter, measurement transducer, flow computer,flow transmitter, sensors / transmitters, air separator
• Certificate of “part” is Evaluation or Parts or Test certificate (old)
A. Oil measuring systems and Gas measuring systems:differences and analogies
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Gas measuring systems
• Improperly called “systems”!
• They are single meters for MID 2014/32/EU Annex IV MI-002 (Gasmeters and Volume conversion devices) and OIML recommandation
• They are connected with other certified devicessensors / transmitter, gas chromatograph, gas analyzer / CVDD, ecc.
• Also the meters can be composed of certified parts(mechanical part, electronical part)
• Certificate of “part” is Evaluation or Parts or Test certificate (old)
Agenda
A. Oil measuring systems and e Gas measuring systems:differences and analogies under certification point of view
B. Certification of Oil measuring systems
C. Certification of Gas measuring systems
D. Certification of Level measuring systems
E. OIML certification in short
5
B. Certification of Oil measuring systems
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EUROPE
• MID 2014/32/EU Annex VII MI-005- Modules B+D or- Modules B+F or- Module H1 (Conformity based on full quality assurance
plus design examination) or - Module G (Conformity based on unit verification)
• Welmec Guide 8.8 – Modular approach:- Evaluation certificate authorization by certificate owner- Parts certificate free use
B. Certification of Oil measuring systems
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OUTSIDE EUROPE
• OIML Recommendations country driven, function oriented,a lot of SW / EMC
• API standards safety, user requirements,equipment oriented
• ISO standards International Standards
• National regulations
B. Certification of Oil measuring systems
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OIML Recommendations
• R117 Dynamic measuring systems for liquids other than water- LNG will be included -
• R81 Dynamic measuring devices and systems for cryogenic Liquids
• R139 Compressed Gas for Vehicles (CNG and Hydrogen)
Agenda
A. Oil measuring systems and e Gas measuring systems:differences and analogies under certification point of view
B. Certification of Oil measuring systems
C. Certification of Gas measuring systems
D. Certification of Level measuring systems
E. OIML certification in short
9
C. Certification of Gas measuring systems
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EUROPE
• MID 2014/32/EU Annex IV MI-002Gas meters and Electronic volume conversion devices- Modules B+D or- Modules B+F or- Module H1 (Conformity based on full quality assurance
plus design examination)
• Welmec Guide 8.8 – Modular approach:- Evaluation certificate authorization by certificate owner- Parts certificate free use
C. Certification of Gas measuring systems
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OUTSIDE EUROPE
• OIML Recommendations country driven, function oriented,a lot of SW / EMC
• API standards safety, user requirements,equipment oriented
• ISO standards International Standards
• National regulations
C. Certification of Gas measuring systems
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OIML Recommendations
R137 Gas Meters
R140 Measuring Systems for Gas
Agenda
A. Oil measuring systems and e Gas measuring systems:differences and analogies under certification point of view
B. Certification of Oil measuring systems
C. Certification of Gas measuring systems
D. Certification of Level measuring systems
E. OIML certification in short
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D. Certification of Level measuring systems
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EUROPE and OUTSIDE EUROPE
OIMLRecommendations National legislation
NOEuropean Directive
D. Certification of Level measuring systems
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OIML Recommendations
R71 Fixed Storage TanksR80 Road & Rail Tankers with Level GaugingR85 Automatic Level GaugesR95 Ships’ TanksR125 Measuring Systems for Mass of Liquids in Tanks (HTG)
D. Certification of Level measuring systems
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Legally complicated
• Regulation on "Tank Calibration"
• Regulation on "Level Measurement"
• Regulation on "Conversions"
D. Certification of Level measuring systems
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Legal Metrology
Regulations / Laws / Procedures on:
• Pre-market testing & certification
• Taking into use
• Maintenance / re-calibration
• Control / inspection in-use -> possibility to do so
Agenda
A. Oil measuring systems and e Gas measuring systems:differences and analogies under certification point of view
B. Certification of Oil measuring systems
C. Certification of Gas measuring systems
D. Certification of Level measuring systems
E. OIML certification in short
18
E. OIML certification in short
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• OIML Organisation Internationale de Métrologie Légale• Recommendations (“voluntary”)• Three parts for every recommendation:
1. Metrological and technical requirements2. Test methods / procedures3. Test report format
• OIML Certification is necessary to enter in extra EU Countries• How it works? 1. High quality level of Issuing Authorities
2. International acceptance of test reports3. Conversion in national type approval
• Website: www.oiml.org
E. OIML certification in short
Example:
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Nationaltype approval
certificate
OIMLCertificate of Conformity
Questions
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?
Thank you for your [email protected]
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